<template>
  <!-- 购物车结算组件 -->
	<view>
    <!-- 最外层容器 -->
    <view class="my-settle-container">
      <!-- 全选区域 -->
          <label class="radio" @click="changeAllState">
            <radio color="#C00000" :checked="isFullCheck"  /><text>全选</text>
          </label>
          
      <!-- 合计区域 -->
      <view class="amount-box"> 合计: <text class="amount">￥{{checkedGoodsAmount}}</text></view>
      
      <!-- 结算按钮 -->
      <view class="btn-settle">结算({{checkedCount}}) </view>
    </view>
		
	</view>
</template>

<script>
  import {mapGetters,mapMutations } from 'vuex'
	export default {
		data() {
			return {
				
			};
		},
    
    computed:{
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      
      // 是否全选
      isFullCheck() {
        // checkedCount 是已经勾选的商品   total是购物车所有商品的总数量
        // 如果总数量等于已经勾选的商品数量 就是全选
        return this.total === this.checkedCount
      },
      
    },
    
    
    methods:{
      ...mapMutations('m_cart',['updateAllGoodsState']),
      // 全选按钮的点击事件
      changeAllState(){
        // 修改购物车中所有商品的选中状态
        // !this.isFullCheck 表示：当前全选按钮的状态取反之后，就是最新的勾选状态
        // console.log(!this.isFullCheck)
        this.updateAllGoodsState(!this.isFullCheck)
      }
     
    },
    
    
    
	}
</script>

<style lang="scss">
.my-settle-container {
  width: 100%;
  height: 50px;
  background-color: white;
  position: fixed;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  padding-left: 5px;
  
  .radio{
    display: flex;
    align-items: center;
  }
  
  .amount {
    color: #C00000;
  }
  
  .btn-settle{
    width: 100px;
    height: 50px;
    background-color: #C00000;
    color: white;
    line-height: 50px;
    text-align: center;
    padding: 0 10px;
  }
}
</style>
